package cn.wuxing.mediation.framework.web.service;

import cn.wuxing.mediation.common.core.domain.entity.SysUser;
import cn.wuxing.mediation.common.core.domain.model.LoginUser;
import cn.wuxing.mediation.common.enums.UserStatus;
import cn.wuxing.mediation.common.exception.ServiceException;
import cn.wuxing.mediation.common.utils.MessageUtils;
import cn.wuxing.mediation.common.utils.StringUtils;
import cn.wuxing.mediation.system.service.ISysUserService;
import com.github.pagehelper.util.StringUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.annotation.Primary;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.stereotype.Service;


@Primary
@Service
public class CustomUserDetailsService implements UserDetailsService {

    private static final Logger log = LoggerFactory.getLogger(CustomUserDetailsService.class);

    private final ISysUserService userService;

    private final SysPermissionService permissionService;

    public CustomUserDetailsService(ISysUserService userService, SysPermissionService permissionService) {
        this.userService = userService;
        this.permissionService = permissionService;
    }

    @Override
    public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
        if(StringUtil.isNotEmpty(username)) {
            SysUser user = userService.selectUserByUserName(username);
            if (StringUtils.isNull(user)) {
                log.info("登录用户：{} 不存在.", username);
                throw new ServiceException(MessageUtils.message("user.not.exists"));
            } else if (UserStatus.DELETED.getCode().equals(user.getDelFlag())) {
                log.info("登录用户：{} 已被删除.", username);
                throw new ServiceException(MessageUtils.message("user.password.delete"));
            } else if (UserStatus.DISABLE.getCode().equals(user.getStatus())) {
                log.info("登录用户：{} 已被停用.", username);
                throw new ServiceException(MessageUtils.message("user.blocked"));
            }

            return createLoginUser(user);
        }else {
            return null;
        }
    }

    public UserDetails createLoginUser(SysUser user)
    {
        return new LoginUser(user.getUserId(), user.getDeptId(), user, permissionService.getMenuPermission(user));
    }
}
